Keystones — Bedrock
Five GCSE retrieval questions · 4 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 22
Answer: 45 + 22 = 67 -
2. Algebra Substitution
If x = 9, find the value of 3x + 5
Answer: 32 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 10, 6, 8, 16
Answer: 10